Zkteco Zkbiosecurity Server
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By the Year
In 2026 there have been 6 vulnerabilities in Zkteco Zkbiosecurity Server with an average score of 7.0 out of ten.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 6 | 6.95 |
It may take a day or so for new Zkbiosecurity Server vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Zkteco Zkbiosecurity Server Security Vulnerabilities
ZKTeco ZKBioSecurity 3.0 Local Auth Bypass via visLogin.jsp
CVE-2016-20031
5.5 - Medium
- March 15, 2026
ZKTeco ZKBioSecurity 3.0 contains a local authorization bypass vulnerability in visLogin.jsp that allows attackers to authenticate without valid credentials by spoofing localhost requests. Attackers can exploit the EnvironmentUtil.getClientIp() method which treats IPv6 loopback address 0:0:0:0:0:0:0:1 as 127.0.0.1 and authenticates using the IP as username with hardcoded password 123456 to access sensitive information and perform unauthorized actions.
Use of Hard-coded Credentials
User Enumeration Vulnerability in ZKTeco ZKBioSecurity 3.0 (authLoginAction.do)
CVE-2016-20030
9.8 - Critical
- March 15, 2026
ZKTeco ZKBioSecurity 3.0 contains a user enumeration vulnerability that allows unauthenticated attackers to discover valid usernames by submitting partial characters via the username parameter. Attackers can send requests to the authLoginAction!login.do script with varying username inputs to enumerate valid user accounts based on application responses.
Incorrect Behavior Order: Authorization Before Parsing and Canonicalization
Path Manipulation in ZKTeco ZKBioSecurity 3.0: Arbitrary File Access
CVE-2016-20029
6.2 - Medium
- March 15, 2026
ZKTeco ZKBioSecurity 3.0 contains a file path manipulation vulnerability that allows attackers to access arbitrary files by modifying file paths used to retrieve local resources. Attackers can manipulate path parameters to bypass access controls and retrieve sensitive information including configuration files, source code, and protected application resources.
Incorrect Default Permissions
ZKBioSecurity 3.0 CSRF allows arbitrary superadmin account creation
CVE-2016-20028
4.3 - Medium
- March 15, 2026
ZKTeco ZKBioSecurity 3.0 contains a cross-site request forgery vulnerability that allows attackers to perform administrative actions by tricking logged-in users into visiting malicious websites. Attackers can craft HTTP requests that add superadmin accounts without validity checks, enabling unauthorized administrative access when authenticated users visit attacker-controlled pages.
Session Riding
Reflected XSS in ZKBioSecurity 3.0 via unsanitized parameters
CVE-2016-20027
6.1 - Medium
- March 15, 2026
ZKTeco ZKBioSecurity 3.0 contains multiple reflected cross-site scripting vulnerabilities that allow attackers to execute arbitrary HTML and script code by injecting malicious payloads through unsanitized parameters in multiple scripts. Attackers can craft malicious URLs with XSS payloads in vulnerable parameters to execute scripts in a user's browser session within the context of the affected application.
XSS
ZKBioSecurity 3.0 hardcoded Tomcat credentials allow arbitrary code exec
CVE-2016-20026
9.8 - Critical
- March 15, 2026
ZKTeco ZKBioSecurity 3.0 contains hardcoded credentials in the bundled Apache Tomcat server that allow unauthenticated attackers to access the manager application. Attackers can authenticate with hardcoded credentials stored in tomcat-users.xml to upload malicious WAR archives containing JSP applications and execute arbitrary code with SYSTEM privileges.
Use of Hard-coded Credentials
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